;;;
;;; c:\\program files\\acl62\\music36.cl
;;;
(load "c:\\program files\\acl62\\music35.cl")

(defun collect-chords (l)
  (let ((lst (squash l)))
   (do ((ll lst (cdr ll))
      (w))
      ((null ll) (remove-duplicate (reverse w)))
    (if (stringp (car ll)) (push (car ll) w)))))

(defun tell-chords-aux (l)
  (let ((lst (collect-chords l)))
   (do ((ll lst (cdr ll)))
      ((null ll))
    (tell-a-chord (car ll)))))

;;;
;;; (tell-chords *w1*)
;;;
(defun tell-chords (wn)
  (tagbody
   (format t "~%***** ~a *****" (second (first wn)))
   (format t "~%The original key is ~a." (first (first wn)))
   (format t "~%Enter a key.")
   loop1
   (setf l1 (read-sentence))
   (if (not (key-p (car l1))) (go loop1))
   (if (equal (car l1) (first (first wn)))
     (setf l2 (cdr wn))
    (setf l2 (modulate-key1-to-key2 (cdr wn) (first (first wn)) (car l1))))
   (format t "~%***** The key is ~a. *****" (car l1))
   (tell-chords-aux l2)))

(defun tell-chords-2 (wn)
  (tagbody
   (my-randomize)
   (format t "~%***** ~a *****" (second (first wn)))
   (format t "~%The original key is ~a." (first (first wn)))
   (format t "~%Enter a key.")
   loop1
   (setf l1 (read-sentence))
   (if (not (key-p (car l1)))
     (go loop1))
   (if (equal (car l1) (first (first wn)))
     (setf l2 (cdr wn))
    (setf l2 (modulate-key1-to-key2 (cdr wn) (first (first wn)) (car l1))))
   (format t "~%***** The key is ~a. *****" (car l1))
   (tell-pairs-aux (remove-duplicate l2))))